s*r
2 楼
算了,不知道跟省事
y*q
3 楼
用的是scottrade吗?如果是,我大约知道。
G*m
8 楼
short SPY稍微保护一下SPY naked PUT。
call SPY稍微保护一下SPY short position。
call SPY稍微保护一下SPY short position。
G*m
9 楼
Gap UP:
gain on naked puts dominates, short and call offset with each other
Gap DOWN:
gain on short position dominates, calls closed, naked puts act like
capacitor。
gain on naked puts dominates, short and call offset with each other
Gap DOWN:
gain on short position dominates, calls closed, naked puts act like
capacitor。
G*m
11 楼
charging and discharging capacitors。
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